No problem, we've got 5420 and 4326 to multiply
5420 × 4326 = 4326 × (5420)
+ 4326 × 0 resulting in 0
+ 4326 × 20 that equals 86520
+ 4326 × 400 what gives us 1730400
+ 4326 × 5000 that is equal 21630000

= 23446920
